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Finding the Fourth Proportional to 539,520.20, 744,537.91 and 297,802.83

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Solution

The fourth proportional to 539,520.20, 744,537.91 and 297,802.83 is: 410,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,520.20 : 744,537.91 = 297,802.83 : x
  2. Step 2: Convert to fraction form
    539,520.20/744,537.91 = 297,802.83/x
  3. Step 3: Cross multiply
    539,520.20x = 744,537.91 × 297,802.83
  4. Step 4: Simplify right side
    539,520.20x = 221,725,495,895.78
  5. Step 5: Solve for x
    x = 221,725,495,895.78/539,520.20
  6. Step 6: Final answer
    x = 410,967.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.